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      Used by MOVBOX to change box size using the cursor.


Calling Sequence

      BOX_SIZE, x, y, dx, dy, showflag


      x,y = lower left corner device coordinates. in

Keyword Parameters


        /POSITION prints box position and size on exit.
        XSIZE = factor. Mouse changes Y size, computes X size.
        YSIZE = factor. Mouse changes X size, computes Y size.
        /YREVERSE means y is 0 at screen top.
        XFACTOR=xf convsersion factor from device coordinates
          to scaled coordinates.
        YFACTOR=yf convsersion factor from device coordinates
          to scaled coordinates.
        DXMIN=dxmn Minimum allowed box x size (def=1).
        DYMIN=dymn Minimum allowed box y size (def=1).
        COLOR=clr Box color (-2 for dotted box).
        ECHO=win2 Echo box in window win2.


      dx, dy = box size. in, out

Common Blocks


Modification History

      R. Sterner, 25 July, 1989.
      R. Sterner, 16 Mar, 1992 --- upgraded box list.
      R. Sterner, 7 Dec, 1993 --- Added min box size.
      R. Sterner, 1994 Nov 27 --- Switched !err to !mouse.button.
      R. Sterner, 2005 Jun 29 --- Added ECHO=win2.
  Copyright (C) 1989, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.

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